980968508669 has 8 divisors (see below), whose sum is σ = 985980524760. Its totient is φ = 975956821056.

The previous prime is 980968508617. The next prime is 980968508677. The reversal of 980968508669 is 966805869089.

It can be written as a sum of positive squares in 4 ways, for example, as 406954684900 + 574013823769 = 637930^2 + 757637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-980968508669 is a prime.

It is a super-2 number, since 2×980968508669² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 980968508596 and 980968508605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980968598669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7860047 + ... + 7983875.

It is an arithmetic number, because the mean of its divisors is an integer number (123247565595).

Almost surely, 2^980968508669 is an apocalyptic number.

It is an amenable number.

980968508669 is a deficient number, since it is larger than the sum of its proper divisors (5012016091).

980968508669 is a wasteful number, since it uses less digits than its factorization.

980968508669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164239.

The product of its (nonzero) digits is 403107840, while the sum is 74.

The spelling of 980968508669 in words is "nine hundred eighty billion, nine hundred sixty-eight million, five hundred eight thousand, six hundred sixty-nine".